Your pastie has an obvious error, db is required in App.js and not in users.js.
You need to pass it on. Maybe:
```js
// ...
app.post("/login", users.login(db));
// ...
```
And make users.login() return the "function (req, res, next)".
--
Diogo Resende
On Friday, February 1, 2013 at 18:16 , Oleg Slobodskoi wrote:
> Its actually pretty easy:
>
> http://pastie.org/6016681
>
>
> In your case everything is executed serially.
>
> It is little bit more complicated when you want to mix parallel and serial
> execution.
>
>
> For this case I wrote this utility:
>
> https://github.com/kof/do
>
> I have done a step away from Step/async libraries. They make the code harder
> to understand.
>
> Am 01.02.2013 um 17:10 schrieb Thomas Gray <[email protected]
> (mailto:[email protected])>:
> > Hi guys
> >
> > Let me start out here with a disclaimer. I am a newbie to programming in
> > Javascript. It's syntax is acceptable, so I have no problem with that -
> > it's just on the structuring of Javascript especially within the Async
> > context of nodeJS.
> >
> > I am at the moment trying to write a really simple RESTful API in NodeJS
> > using Mongo as a data source. I'm using express to handle the HTTP
> > component and the MongoDB library (via NPM) to handle my interaction with
> > Mongo. I am having some real troubles with how to properly structure my
> > application. You can view it as it stands here: http://pastie.org/6013517
> >
> > As you will see, I am calling the user collection, then finding a user,
> > then creating a new login token, then updating the user with that login
> > token, then sending that login token back to the browser. All within one
> > crazy nested method. I've been programming in non-async languages for a
> > while, and I guess I am failing to understand the concept of how to program
> > asynchronously. The best I can come up with is to have a User object that
> > just has methods that are called within the callback of each component.
> >
> > Looking at the code I have given above - how would I better structure this
> > to remove the levels of nesting, but still not have it as a procedural
> > object (ie. one method calls the next which calls the next and so on).
> >
> > Maybe i'm just not understanding how to program in this environment?
> >
> > Tom
> >
> >
> >
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